.el-header {
  background-color: #fff;
  color: #333;
  text-align: center;
  line-height: 64px;
  z-index: 1;
  box-shadow: 0px 5px 7px #eee;
}

.el-aside {
  background-color: #197cfe;
  color: #fff;
  text-align: center;
  z-index: 2;
  height: 100vh;
}

.el-main {
  height: calc(100vh - 64px);
  background-color: #f3f8ff;
  color: #333;
  // text-align: center;
}

body > .el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}
// 清除滚动条
::-webkit-scrollbar {
  width: 0;
}